it depend on how sumwon kopy yer werds intu math symbels & numbers
The rite wae it tu add xtra "()" as needed tu make it kleer
but guvt skuels and all the guvt krat teechers & "administraters" never du that
em mite be fired if em du sumthun that make sens
so me ges yer spozed tu konvert em werds tu "7+7-18/6^2"
kleerly, NE-1 hu look at that wont no wot tu du
but krats will hav the the 1 anser em will insist yu suppli
1....6^2=36
2...18/36=0.5.....now yu hav "7+7-0.5"
anser=14-0.5=13.5